cellVdec: also use ctx->framerate to calculate the timestamps

ffmpeg 7 doesn't seem to guess the time_base parameter anymore
This commit is contained in:
Megamouse 2026-01-10 01:43:24 +01:00
parent ae6bdf84f1
commit cd6dfc82a2

View File

@ -211,6 +211,7 @@ struct vdec_context final
lf_queue<vdec_cmd> in_cmd;
AVRational log_time_base{}; // Used to reduce log spam
AVRational log_framerate{}; // Used to reduce log spam
vdec_context(s32 type, u32 /*profile*/, u32 addr, u32 size, vm::ptr<CellVdecCbMsg> func, u32 arg)
: type(type)
@ -292,6 +293,19 @@ struct vdec_context final
sws_freeContext(sws);
}
static u32 freq_to_framerate_code(f64 freq)
{
if (std::abs(freq - 23.976) < 0.002) return CELL_VDEC_FRC_24000DIV1001;
if (std::abs(freq - 24.000) < 0.001) return CELL_VDEC_FRC_24;
if (std::abs(freq - 25.000) < 0.001) return CELL_VDEC_FRC_25;
if (std::abs(freq - 29.970) < 0.002) return CELL_VDEC_FRC_30000DIV1001;
if (std::abs(freq - 30.000) < 0.001) return CELL_VDEC_FRC_30;
if (std::abs(freq - 50.000) < 0.001) return CELL_VDEC_FRC_50;
if (std::abs(freq - 59.940) < 0.002) return CELL_VDEC_FRC_60000DIV1001;
if (std::abs(freq - 60.000) < 0.001) return CELL_VDEC_FRC_60;
return 0;
}
void exec(ppu_thread& ppu, u32 vid)
{
perf_meter<"VDEC"_u32> perf0;
@ -341,6 +355,7 @@ struct vdec_context final
out_queue.clear(); // Flush image queue
log_time_base = {};
log_framerate = {};
frc_set = 0; // TODO: ???
next_pts = 0;
@ -471,10 +486,10 @@ struct vdec_context final
frame.userdata = au_usrd;
frame.attr = attr;
u64 amend = 0;
if (frc_set)
{
u64 amend = 0;
switch (frc_set)
{
case CELL_VDEC_FRC_24000DIV1001: amend = 1001 * 90000 / 24000; break;
@ -491,62 +506,45 @@ struct vdec_context final
}
}
next_pts += amend;
next_dts += amend;
frame.frc = frc_set;
}
else if (ctx->time_base.num == 0)
else if (ctx->time_base.den && ctx->time_base.num)
{
if (log_time_base.den != ctx->time_base.den || log_time_base.num != ctx->time_base.num)
const auto freq = 1. * ctx->time_base.den / ctx->time_base.num / ticks_per_frame;
frame.frc = freq_to_framerate_code(freq);
if (frame.frc)
{
cellVdec.error("time_base.num is 0 (handle=0x%x, seq_id=%d, cmd_id=%d, %d/%d, tpf=%d framerate=%d/%d)", handle, cmd->seq_id, cmd->id, ctx->time_base.num, ctx->time_base.den, ticks_per_frame, ctx->framerate.num, ctx->framerate.den);
amend = u64{90000} * ctx->time_base.num * ticks_per_frame / ctx->time_base.den;
}
}
else if (ctx->framerate.den && ctx->framerate.num)
{
const auto freq = ctx->framerate.num / static_cast<f64>(ctx->framerate.den);
frame.frc = freq_to_framerate_code(freq);
if (frame.frc)
{
amend = u64{90000} * ctx->framerate.den / ctx->framerate.num;
}
}
if (amend == 0 || frame.frc == 0)
{
if (log_time_base.den != ctx->time_base.den || log_time_base.num != ctx->time_base.num || log_framerate.den != ctx->framerate.den || log_framerate.num != ctx->framerate.num)
{
cellVdec.error("Invalid frequency (handle=0x%x, seq_id=%d, cmd_id=%d, timebase=%d/%d, tpf=%d framerate=%d/%d)", handle, cmd->seq_id, cmd->id, ctx->time_base.num, ctx->time_base.den, ticks_per_frame, ctx->framerate.num, ctx->framerate.den);
log_time_base = ctx->time_base;
log_framerate = ctx->framerate;
}
// Hack
const u64 amend = u64{90000} / 30;
amend = u64{90000} / 30;
frame.frc = CELL_VDEC_FRC_30;
next_pts += amend;
next_dts += amend;
}
else
{
u64 amend = u64{90000} * ctx->time_base.num * ticks_per_frame / ctx->time_base.den;
const auto freq = 1. * ctx->time_base.den / ctx->time_base.num / ticks_per_frame;
if (std::abs(freq - 23.976) < 0.002)
frame.frc = CELL_VDEC_FRC_24000DIV1001;
else if (std::abs(freq - 24.000) < 0.001)
frame.frc = CELL_VDEC_FRC_24;
else if (std::abs(freq - 25.000) < 0.001)
frame.frc = CELL_VDEC_FRC_25;
else if (std::abs(freq - 29.970) < 0.002)
frame.frc = CELL_VDEC_FRC_30000DIV1001;
else if (std::abs(freq - 30.000) < 0.001)
frame.frc = CELL_VDEC_FRC_30;
else if (std::abs(freq - 50.000) < 0.001)
frame.frc = CELL_VDEC_FRC_50;
else if (std::abs(freq - 59.940) < 0.002)
frame.frc = CELL_VDEC_FRC_60000DIV1001;
else if (std::abs(freq - 60.000) < 0.001)
frame.frc = CELL_VDEC_FRC_60;
else
{
if (log_time_base.den != ctx->time_base.den || log_time_base.num != ctx->time_base.num)
{
// 1/1000 usually means that the time stamps are written in 1ms units and that the frame rate may vary.
cellVdec.error("Unsupported time_base (handle=0x%x, seq_id=%d, cmd_id=%d, %d/%d, tpf=%d framerate=%d/%d)", handle, cmd->seq_id, cmd->id, ctx->time_base.num, ctx->time_base.den, ticks_per_frame, ctx->framerate.num, ctx->framerate.den);
log_time_base = ctx->time_base;
}
// Hack
amend = u64{90000} / 30;
frame.frc = CELL_VDEC_FRC_30;
}
next_pts += amend;
next_dts += amend;
}
next_pts += amend;
next_dts += amend;
cellVdec.trace("Got picture (handle=0x%x, seq_id=%d, cmd_id=%d, pts=0x%llx[0x%llx], dts=0x%llx[0x%llx])", handle, cmd->seq_id, cmd->id, frame.pts, frame->pts, frame.dts, frame->pkt_dts);